GMC 2000 Envoy Owner's Manual page 12

Service Station Guide
Battery
Cooling System
Tire Pressure
See Section 6
See Section 5
See Section 6
For
a More
Spare Tire Pressure
Detailed Look at
See Section 6
What's Under the Hood
See Section 6
Hood Release
See Section 6
Windshield Washer
Engine Oil Dipstick
Fluid
Fuel
Oil Viscosity
See Section 6
See Section 6
Use unleaded gas only,
Engine Oil
87 Octane or higher.
See Section 6
See Section 6